It is called as peri arthritis shoulder and for that you can do hot water fermentation and ice therapy at home. If you have shoulder pain then the stiffness will develop more that might make the arm to have less improvement which might make you to feel more pain the arm. And also cervical pillow can be used which might make you to have better posture of the shoulder neck and arm.

Its a strain in your cervical muscles so you need to relax and stop doing the movement which you r trying to do. Apply mild heat and the cold on your shoulders towards neck. U need to exercise along with it and need physiotherapy.
Please contact for further details. Take care.

It is called as Rheumatic arthritis. If your pain is more in the distal joints, ie. In the upper limbs if the pain is present in the fingers/wrist and in the lower limbs it the pain is present in the toes/ ankle, then we shall definitely say it is Rheumatic arthritis. Wear elbow brace and wrist brace which will make her to feel warm and that will make the joints become firm. Hot water fermentation will help
Knee cap will also help to prevent the damaged cartilages. If your pain is more in the distal joints, ie. In the upper limbs if the pain is present in the fingers/wrist and in the lower limbs it the pain is present in the toes/ ankle, then we shall definitely say it is Rheumatic arthritis. Which joints you have pain? If your proximal joints (ie. Shoulder, hip & knee has pain) then you can pour hot (warm) water in that area to reduce the inflammation. If you have pain in the distal joints ie. Wrist, fingers, ankle, toes then you can wear either elbow brace or wrist brace which will help you to feel warm and very protective.
And also immerse the distal joints in the hot water tub which will help you to reduce the pain.
Consult the near by physiotherapy clinic and also consult a general physician to check with your ESR levels to check whether you have inflammation
The sound what you hear is called as Crepitus /ˈkrɛpɪtəs/ (also termed crepitation) is a medical term to describe the grating, crackling or popping sounds and sensations experienced under the skin and joints or a crackling sensation due to the presence of air in the subcutaneous tissue. Popping Knees and Crackling Knuckles. Occasionally hearing pops, snaps, and crackles when you bend your knees doesn’t necessarily mean you have arthritis. The kneecap (patella) is the small, convex bone that sits at the front of the knee, shielding the joint.

It is called as peri arthritis shoulder and for that you can do hot water fermentation and ice therapy at home. If you have shoulder pain then the stiffness will develop more that might make the arm to have less improvement which might make you to feel more pain the arm. And also cervical pillow can be used which might make you to have better posture of the shoulder neck and arm.